Twitter testing new GIF button on its mobile app?

Micro blogging site Twitter is apparently testing a new button on its mobile app for posting GIFs — a bitmap image format that is widely used on the internet due to its wide support and portability, a media report said.
A quick search for “GIF button” on Twitter shows that many users have been given access to the experimental feature, TechCrunch reported.
Twitter user Phil Pearlman told the technology media company that when he clicked the button, he was shown a selection of re